What are the factors to be considered in the choice of contraceptive method?

Answer 1

Cost, ease of use, reliability, future pregnancy plans/return to fertility after stopping, religious considerations (e.g. some Roman Catholics avoiding all but natural family planning methods), medical contraindications, other medical conditions that would be helped more by one method or another (e.g. Depo Provera for sickle cell or Mirena for heavy periods), need for privacy, access to ongoing care (e.g. hard to pick up pills if you're in Antarctica, I'm guessing -- IUD might be easier), need for disease prevention. The "related link" has an online questionnaire that helps go through some of these considerations.